Finding the Fourth Proportional to 162,409.70, 243,528.15 and 68,809.70
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Solution
The fourth proportional to 162,409.70, 243,528.15 and 68,809.70 is: 103,177.94
Step by Step Solution
- Step 1: Write the proportion equation
162,409.70 : 243,528.15 = 68,809.70 : x - Step 2: Convert to fraction form
162,409.70/243,528.15 = 68,809.70/x - Step 3: Cross multiply
162,409.70x = 243,528.15 × 68,809.70 - Step 4: Simplify right side
162,409.70x = 16,757,098,943.06 - Step 5: Solve for x
x = 16,757,098,943.06/162,409.70 - Step 6: Final answer
x = 103,177.94
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.